Name: Mass Air Flow Sensor (MAF) for 1988-1991 GM cars 74-2799
Brand: GM
SKU: 74-2799
Availability: OutOfStock

Please note that this product has a maximum Lead Time

When you order this product, the "Lead Time" is the maximum time that takes us in business days before the product is shipped to you. This is for transferring from our warehouse (USA), programming (if applicable), preparing, cleaning, packing, etc.).

Of course, this is a maximum. It may, and usually does, take less than this time.

of 10 business days.

Mass Air Flow sensor / Airflow Meter / MAF for General Motors models from 1988 through 1991.

The part number of this unit is 74-2799

The following are interchangeable (100% compatible) part numbers that this part replaces:

213-1618
25532799
25535419
336-04894
74-2799
24502966
19112549
88961000

IMPORTANT:

Always make sure that your vehicle’s engine air filter is clean, as it may also give similar problems if dirty or clogged.
It is important to clean the throttle and clean or replace the spark plugs after replacing a bad flowmeter to prevent temporary malfunction of the replacement part.
It is possible that a reset needs to be done in your car with a scanner to erase the old trouble codes and check if any of the codes persist.
Do not use octane booster products. It is known that those products may cause harm to sensitive electronic fuel injection systems sensors and parts.

Applications. The following are the vehicles this unit fits:

Buick Electra (1988-1990):

1988 Buick Electra 6 Cylinders, 3.8L MFI OHV
1988 Buick Electra Park Avenue 6 Cylinders, 3.8L MFI OHV
1989 Buick Electra 6 Cylinders, 3.8L MFI OHV
1989 Buick Electra Park Avenue 6 Cylinders, 3.8L MFI OHV
1989 Buick Electra Park Avenue Ultra 6 Cylinders, 3.8L MFI OHV
1990 Buick Electra 6 Cylinders, 3.8L MFI OHV
1990 Buick Electra Park Avenue 6 Cylinders, 3.8L MFI OHV
1990 Buick Electra Park Avenue Ultra 6 Cylinders, 3.8L MFI OHV

Buick LeSabre (1988-1991):

1988 Buick Lesabre 6 Cylinders, 3.8L MFI OHV
1988 Buick Lesabre 6 Cylinders, 3.8L MFI OHV
1989 Buick Lesabre 6 Cylinders, 3.8L MFI OHV
1990 Buick Lesabre 6 Cylinders, 3.8L MFI OHV
1991 Buick Lesabre 6 Cylinders, 3.8L MFI OHV

Buick Reatta (1988-1990):

1988 Buick Reatta 6 Cylinders, 3.8L MFI OHV
1989 Buick Reatta 6 Cylinders, 3.8L MFI OHV
1990 Buick Reatta 6 Cylinders, 3.8L MFI OHV

Buick Riviera (1988-1990):

1988 Buick Riviera 6 Cylinders, 3.8L MFI OHV
1989 Buick Riviera 6 Cylinders, 3.8L MFI OHV
1990 Buick Riviera 6 Cylinders, 3.8L MFI OHV

Oldsmobile 88 (1988-1991):

1988 Oldsmobile 88 6 Cylinders, 3.8L MFI OHV
1989 Oldsmobile 88 6 Cylinders, 3.8L MFI OHV
1990 Oldsmobile 88 6 Cylinders, 3.8L MFI OHV
1991 Oldsmobile 88 6 Cylinders, 3.8L MFI OHV

Oldsmobile 98 (1988-1990):

1988 Oldsmobile 98 6 Cylinders, 3.8L MFI OHV
1989 Oldsmobile 98 6 Cylinders, 3.8L MFI OHV
1990 Oldsmobile 98 6 Cylinders, 3.8L MFI OHV

Oldsmobile Toronado (1988-1990):

1988 Oldsmobile Toronado 6 Cylinders, 3.8L MFI OHV
1989 Oldsmobile Toronado 6 Cylinders, 3.8L MFI OHV
1990 Oldsmobile Toronado 6 Cylinders, 3.8L MFI OHV

Pontiac Bonneville (1988-1991):

1988 Pontiac Bonneville 6 Cylinders, 3.8L MFI OHV
1989 Pontiac Bonneville 6 Cylinders, 3.8L MFI OHV
1990 Pontiac Bonneville 6 Cylinders, 3.8L MFI OHV
1991 Pontiac Bonneville 6 Cylinders, 3.8L MFI OHV

Others:

1989-1993 Buick Century, 6 Cylinder, 3.3L
1989-1993 Buick Skylark, 6 Cylinder, 3.3L
1992-1993 Oldsmobile Achieva, 6 Cylinder, 3.3L
1989-1991 Oldsmobile Cutlass Calais, 6 Cylinder, 3.3L
1989-1993 Oldsmobile Cutlass Ciera, 6 Cylinder, 3.3L
1992-1993 Pontiac Grand Am, 6 Cylinder, 3.3L

If the flowmeter of your vehicle is failing, this situation will show different symptoms in different car models, but the symptoms are all related. For example, the most common are:

-Noticeable lower fuel economy
-Black smoke or raw fuel smell from the exhaust
-The engine not starting or is hard to start
-If the engine starts, very rough idle
-Engine stalling or hesitation
-Uniform soot/carbon dry stain on all spark plugs
-A check-engine code will be shown

The flowmeter is in charge of metering the incoming air to the engine, so the ECM (Engine Control Module) can adjust the amount of fuel being injected, keeping the ideal fuel/air mixture needed.

Are Flowmeters, MAF, and Mass Air Flow Sensors the same?

Yes, it refers to the same part. This is used in car engines to measure the amount of air entering the engine. The difference is that the earlier designs measured the incoming air in volume, while the newer ones measure the air by mass, which is more accurate for the ECM to know the air incoming to the engine at any moment.

Images Disclaimer:

This is a refurbished product. It has been put back to factory functioning conditions and has been tested and made sure that it works as intended. In addition, a reasonable warranty has been included for the peace of mind of our customers.

The image(s) shown here is/are for reference and for identifying the product. The product you receive may vary slightly from the image shown here. Nevertheless, we always pick the best one we have available at the moment of shipping the order :)

You might also be interested in these:

Mass Air Flow Sensor (MAF) for 1991-2004 Mitsubishi models 74-60006

Mass Air Flow Sensor (MAF) for 1989-1993 Volvo cars 74-10017

Mass Air Flow Sensor (MAF) for Nissan 300ZX and Infiniti J30 models 74-10051

Mass Air Flow Sensor (MAF) for 1994-1998 Ford-Mazda cars 74-10023

Mass Air Flow Sensor (MAF) for 1990-1996 Nissan Pickup/Truck models AFH55-M10

SHIPPING AVAILABLE TO USA, PUERTO RICO, US VIRGIN ISLANDS, GUAM, AND AMERICAN SAMOA

LOCATION

Shipping is done from our local USA warehouse. It will take anything from 1 to 10 business days (processing time added) for locations in the USA.

Once your order is shipped, we will notify you and provide the details and the tracking number.

You may receive a text (SMS) message with the same information as an alternative way of ensuring that the sent message reaches you. For this, it is optional but recommended, that you enter a mobile phone number when ordering.

LEAD TIME

Each product has a "lead time" from 1 to several days. This number is listed at the top of each product's information page.

The lead time or "processing time" is the maximum time in business days that it may take to ship your order. This may, and often does, take fewer days to be shipped. This time is used to process your order, including the time it takes when the product is requested from the warehouse (USA), the time for checking it and programming it if applicable, and some other processing that might be needed. This varies by product and options.

SHIPPING TO THE USA

There is a FREE shipping option (through USPS Priority Mail) for locations in the USA and USA Territories. This covers the USA's 48 contiguous States, Puerto Rico, Hawaii, Alaska, the US Virgin Islands, Guam, and American Samoa.

Delivery time for the offered free shipping option to USA locations will be 3 to 5 business days. On the other hand, the faster (paid) USPS and FedEx options for USA locations will deliver the next business day for FedEx Priority, or 1-3 business days for USPS Express and FedEx Economy.

PO (Post Office box) and APO (Army Post Office box) addresses are accepted but only through the USPS shipping services.

INTERNATIONAL LOCATIONS (OUT OF THE USA)

We unfortunately are not offering this product outside the USA or the USA Terrirotries or Protectorates.

RATES

You can calculate the exact shipping rates available for your location with the provided shipping calculator, shown in your cart when you Add-to-Cart this product.

It is important that the State (if available), city, and postal code are entered to get accurate rates from the shipping calculator. Rate calculations will often be way off the actual rate if the needed information is not entered or is not accurate.

We DO NOT profit from shipping. Any rate shown by the provided calculator is passed to you directly from USPS and FedEx through our connection with both companies.

The warranty for this product is limited and it has an expiration date, as stated at the top of this information page.

If a warranty is claimed within the warranty term, coverage will be subject to our warranty-accepting conditions defined in our Terms and Conditions page, in section five, "D" of that page. If the product shows any of the conditions that void the warranty mentioned in that section, we unfortunately, cannot process the claim as in warranty.

I. COVERAGE

NOTE: Any mention of "days" on this document, is referred to as "calendar days" unless otherwise noted.

A. The included warranty term (stated at the top of every product page) covers the product against defects. Damage to the product by shipping handling or misuse is not covered by this warranty.

B. The basic shipping insurance is for $100. If the customer desires a higher-value insurance, please let us know before ordering so we can send an invoice for the extra insurance.

C. In the extremely rare occasion that the product fails, we will first consult the customer and if the problem is determined to be related to a failure of the product, the product will be taken back for revision and if it complies with the warranty conditions defined in our Terms and Conditions page, in section five, "D" of that page, we will offer the customer a refund or a replacement if available, whichever the customer decides. This is true if the warranty claim is made in the first 30 calendar days of the warranty term.

D. If a warranty claim is made any time after the first 30 calendar days of the warranty term, we will first try to service the unit if applicable. If the unit cannot be repaired, then we will replace it if available. If not repairable and not available, then we will issue a refund to the customer, given that the warranty conditions are met.

II. SHIPPING COVERAGE IN WARRANTY CLAIMS

A. If a warranty is honored, inbound and outbound shipping costs coverage will depend on the case, as described below.

1. For products sold to the USA or the USA Territories, if a warranty claim is filed anytime within the warranty period and the problem is caused by a malfunction of the ordered product, we will cover both ways of shipping if the product is to be replaced or serviced and the warranty is claimed within the first 30 calendar days after the customer receives the product.

2. The same applies to products sold to international locations, with the exception of inbound shipments, which are instead, covered for 15 calendar days after the product is received. This allows enough time for the customer to use and check the product and make sure it is free of defects. Outbound shipments will be covered for the first 30 calendar days, the same as with the USA shipments.

3. Shipping will not be covered for any order if a warranty is claimed after 30 calendar days of the customer receiving the product

Our words

Do you notice how the warranty pages of most, if not all websites "sound" like a scolding? This is done to protect ourselves from abuse but we love our customers and will certainly love to repeat business with you. We stand by our products and services and we stand by our customers and do our best to provide a satisfactory overall transaction :)

Application	1988-1991 General Motors Models
Condition	Refurbished
Manufacturer Part Number	74-2799
Part Type	Mass Air Flow Sensor (MAF/AFM/MAFS/Flowmeter)
Warranty	Yes. Please refer to the product information page for the warranty term.
Interchange Part Number	25532799, 25532799, 14900790-101, 25532799, 74-2799, 86-2799, AFH50M02A
Needs Programming?	No
Condition	Refurbished
Ships From	USA
Brand	Aftermarket
Core Charge?	No
Fitment Type	Replacement

Mass Air Flow Sensor (MAF) for 1988-1991 GM cars 74-2799

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Fast Shipping (FedEx & USPS)All products and services ship between 1 and 10 business days. This depends on the Lead Time, which is specified and described further below in the Lead Time area in the ? icon.

Mass Air Flow sensor / Airflow Meter / MAF for General Motors models from 1988 through 1991.

The following are interchangeable (100% compatible) part numbers that this part replaces:

Applications. The following are the vehicles this unit fits:

You might also be interested in these:

Mass Air Flow Sensor (MAF) for 1991-2004 Mitsubishi models 74-60006

Mass Air Flow Sensor (MAF) for 1989-1993 Volvo cars 74-10017

Mass Air Flow Sensor (MAF) for Nissan 300ZX and Infiniti J30 models 74-10051

Mass Air Flow Sensor (MAF) for 1994-1998 Ford-Mazda cars 74-10023

Mass Air Flow Sensor (MAF) for 1990-1996 Nissan Pickup/Truck models AFH55-M10

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